<template>
  <div class="upload-container">
    <el-button icon='el-icon-upload' size="small" :style="{background:color,borderColor:color}" @click=" dialogVisible=true" type="primary">上传图片
    </el-button>
    <el-button icon='el-icon-upload' size="small" @click="changeDialog">素材库</el-button>
    <div v-if="dialogTableVisible">
      <picture-upload :callback="closeQrganization"></picture-upload>
    </div>
    <el-dialog append-to-body :visible.sync="dialogVisible">
      <el-upload class="editor-slide-upload" :action="upload_url" :multiple="true" :file-list="fileList" :show-file-list="true"
        list-type="picture-card"  :on-remove="handleRemove" :on-success="handleSuccess" :before-upload="beforeUpload">
        <el-button size="small" type="primary" >点击上传</el-button>
      </el-upload>
      <div style="margin-top: 10px">
        <el-button size="small" @click="dialogVisible = false">取 消</el-button>
        <el-button size="small" type="primary" @click="handleSubmit">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
// import { getToken } from 'api/qiniu'

import pictureUpload from '@/components/PictureUpload'
export default {
  name: 'editorSlideUpload',
  components: { pictureUpload },
  props: {
    color: {
      type: String,
      default: '#1890ff'
    }
  },
  data() {
    return {
      dialogTableVisible: false,
      dialogVisible: false,
      upload_url: process.env.BASE_API + process.env.PREFIX + '/zcm/file/draftNormalFile?userid=' + this.$store.getters.userid,
      listObj: {},
      fileList: []
    }
  },
  methods: {
    closeQrganization(type, array) {
      this.dialogTableVisible = false
      if (type === 'success') {
        this.$emit('successCBK', array)
      }
    },
    changeDialog() {
      this.dialogTableVisible = true
    },
    checkAllSuccess() {
      return Object.keys(this.listObj).every(item => this.listObj[item].hasSuccess)
    },
    handleSubmit() {
      const arr = Object.keys(this.listObj).map(v => this.listObj[v])
      if (!this.checkAllSuccess()) {
        this.$message('请等待所有图片上传成功 或 出现了网络问题，请刷新页面重新上传！')
        return
      }
      this.$emit('successCBK', arr)
      this.listObj = {}
      this.fileList = []
      this.dialogVisible = false
    },
    handleSuccess(response, file) {
      console.log(response)
      const uid = file.uid
      const objKeyArr = Object.keys(this.listObj)
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          this.listObj[objKeyArr[i]].url = process.env.BASE_API + '/' + response.data.fileurl
          this.listObj[objKeyArr[i]].fileid = response.data.fileid
          this.listObj[objKeyArr[i]].hasSuccess = true
          return
        }
      }
    },
    handleRemove(file) {
      const uid = file.uid
      const objKeyArr = Object.keys(this.listObj)
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          delete this.listObj[objKeyArr[i]]
          return
        }
      }
    },
    beforeUpload(file) {
      const isLt2M = file.size / 1024 / 1024 < 10
      const isPNG = file.type === 'image/png'
      const isJPG = file.type === 'image/jpeg'
      const isGif = file.type === 'image/gif'
      if (!isJPG && !isPNG && !isGif) {
        this.$message.error('上传图片只能是 JPG 或者 PNG 或者GIF 格式!')
        return isPNG || isJPG || isGif
      }
      if (!isLt2M) {
        this.$message.error('上传图片大小不能超过 10MB!')
        return isLt2M
      }
      const _self = this
      const _URL = window.URL || window.webkitURL
      const fileName = file.uid
      this.listObj[fileName] = {}
      return new Promise((resolve, reject) => {
        const img = new Image()
        img.src = _URL.createObjectURL(file)
        img.onload = function() {
          _self.listObj[fileName] = { hasSuccess: false, uid: file.uid, width: this.width, height: this.height }
        }
        resolve(true)
      })
    }
  }
}
</script>
<style scoped>
  .el-form-item__content{
    line-height: normal!important;
  }
</style>
<style rel="stylesheet/scss" lang="scss" scoped>
.upload-container {
  .editor-slide-upload {
    margin-bottom: 20px;
  }
}
</style>
